Can a mountain lake just disappear?

Lakes are evolving ecosystems. They form and then dissolve over a long period of time. In fact, most lakes are bound to fill up and eventually disappear, as a result of slow, gradual processes of sediment deposition. The rate of filling varies from lake to lake. It depends on the amount of sediment input and the nutrient content of the water. Nutrient enrichment of lake water can be accelerated by human activity. Recreational activities such as camping and swimming bring in large quantities of organic matter, which gradually degrades the natural state of the lake.